Clamp for angular and cross connections of beams



T..C. SCHENK. CLAMPFOR ANGULAR .AND CROSS CONNECTIONS 0F BEAMS.APPLICATION FILED APR. 30, 1920.

1,382,249.- Patented June 21,1921.

2 SH EETSSHEET l- T. C. SCHENK. CLAMP FOR ANGULA'R AND caossCONNECTIONSOF BEAMS.

- APLICATION FILED APR. 30, 1920.

Patented June 21, 1921 2 SHEETS-SHEET 2. I

grwenlo'o UNITED STATES PAT ENT OFFICE.

CLAMP FOR ANGULAR AND CROSS CONNECTIONS OF BEAMS.

Specification of Letters Patent.. Patented J une 21, 1921.

Application filed April 30, 1920. .Serial No. 377,898.

To all whom it may 00mm.

Be it. known that I, TAMIS ConNnLIs SoHENK, diamond-Worker, a subject ofthe Queen of the Netherlands, residing at Amsterdam, Van Woustraat 93,the Netherlands, have invented certain new and useful Improvements inClamps for Angular and Cross Connections of Beams, of which thefollowing is a specification.

The invention relates to a clamp, by means of which angular and crossconnections of beams, or in general of pieces of wood of a certainthickness, can be readily and firmly effected, and which can be usedrepeatedly.

The clamp consists of a lever, one end of which is bent at right angles,while the other end or leg is bent at an obtuse angle trans verse totheplane of the square end and is bent to form a hook at that end, and of alocking piece, closely fitting the inner side of the bent end of thesaid leg when the clamp takes the working position.

The square bent end as well as the locking piece may be provided withteeth at the inner side for forming a more effective gripping surface.In using the clamp for angular connections of beams the lever ispreferably shaped as a T-piece, the square bent end then being thecross-piece of the T, whereas the other leg is bent through an obtuseangle.

Two applications of the invention are illustrated in the accompanyingdrawing, the objects to be clamped being in the first case two beams,joining each other at right angles, in the second'case two beams placedcrosswise.

Figure 1 is a front elevation of the clamp for an angular connection ofbeams.

Fig. 2 is a side elevation thereof, while Fig. 3 is a plan view.

Fig. 4 shows tWo beams, joining each other at right angles and kepttogether by the clamp.

Fig. 5 is a section taken diagonally through the beams at their point ofintersection, the clamp taking the closed position.

Fig. 6 is a corresponding section, the clamp being opened.

Fig. 7 is an inner view of the clamp for a cross-connection of beams. I

Fig. 8 is a side elevation.

Fig. 9 is a plan view of Fig. 8.

Fig. 10 shows the clamp in clamping position in use with two crossbeams.

The clamp according to Figs. 16 consists of a T-piece, the crosspiece ofwhich is designated by 1 and the other leg by 2. The leg '2 is bentthrough an obtuse angle transverse to the plane of the T-piece and thebent end 3 terminates in a hook 4. v

The crosspiece fits against the leg2 and is'at' the inner side providedwith teeth 5. A loose locking piece 6, having substantially the sameshape as the crosspiece 1, can be placed against the bent end 8. Thelocking piece has an aperture 7 in the center, into which, after beingplaced in the hook 4, the hook end can be bent inside, so that thelooking piece is held with some clearance. The locklng piece as well asthe crosspiece has teeth 5 at the inner side.

When the clamp is initially placed in position as shown in Fig. 6, thenthe locking piece 6 makes an acute angle with the bent end 3 of the leg'2 and the points 8 and9 lie approximately opposite each other.

The bellcrank lever, formed by the locking piece and the T-piece, canthen be moved through the collapsing point into the position accordingto Fig. 5 by tilting over the locking piece, for instance by means of ascrew-wrench or the like, or by pressing against the leg 2 of theT-piece.

The clamp according to Figs. 7-10 consists of a lever 10, bent at rightangles at one end to form a hook 11, having a flat gripping surface 12,the other end 18 of the lever being bent through an obtuse angle in adirection transverse to the plane of the hook 11. The bent end 13terminates in a hook 14. The locking piece is now otherwise shaped andconsists of a plate 15 with gripping-surface or foot 16 and an aperture17 for the hook 14. A lug 18 arranged'perpendicular to the bent end 13of lever 10 at the inner side, fits, when the clamp is closed, with theinner side against the locking piece. The locking piece can be placed inthe clamping position by means of a wrench or the like. The working ofthis clamp is for the rest the same as of the clamp according to Figs.16.

What I claim and desire to secure by Letters Patent is:

1. A clamp for members disposed at angles to each other comprising abody; a jaw at one end of the body and connected therewith, said awhaving a clamping surface for engagement with the material to beclamped; a coacting jaw fulcrumed at the other end of the body andmaterial is confined between the jaws, the body and jaws being so shapedthat the body which comprises a single relatively narrow rod fits intothe corner produced by the two angularly disposedmembers to beclampedand in close proximity'to the two members,

I whilethe jaws are in position to engage the members and clamp themtogether when the toggle is closed. r Y 7 r 2 A toggle clamp for membersdisposed at angles to each other comprising a body in the form of asingle rod; a fixed jaw at one end thereof; another jaw fulcru'medsubstanthe body, said body and Vfulcrumed jaw constituting a toggle toclamp the members together when the toggle is closed; and a hook and eyeconnection between the body and the fulcrumed jaw whereby the former andlatter are maintained in mechanical connection with each other with thefulcrumed jaw engaging the body midway its length.

In testimony whereof I affix my signature;

j fTAMIS ooRNELrs soHENK;

tially midway its length at the other end of

